<?php
/**
 * crcl/base
 *
 * Copyright 2013 CRCL - André Sabosch - info@crcl.de
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace crcl\base\template;

interface IValues
{
  public function set($key, $value);
  public function get($key);
  public function out($key);
}

class Values implements IValues
{
  public function set($key, $value)
  {
    $this->aValues[$key] = $value;
  }

  public function get($key)
  {
    if (isset($this->aValues[$key]))
    {
      return $this->aValues[$key];
    }
    else
    {
      throw new Exception('Missing value', Exception::ERROR_MISSINGVALUE,
        array('key' => $key, 'values' => $this->aValues));
    }
  }

  public function out($key)
  {
    $sValue = $this->get($key);
    echo $sValue;
  }

  /** PRIVATE *************************************************************************************/

  private $aValues = array();
}

//filter integrieren

//factory über typen? nicht notwendig, weil im tpl alles strings?

//format checks? zumindest bei array/obj
